and on the eve of obama, romney, round one. which candidates can claim the highest television rattings and which vp candidate gets honorable mention? i'm ken bastida. >> and i'm dana king. there has been a huge spike in the gas pump and it happened overnight. kit doe on the reasons why gas stations are pushing a 10 to 30- cent jump. fill her up, kit. >> reporter: dana, in a simple supply, demand economics. a number of refineries shut down for a various number of reasons. one of which is the heat. >> the record heat that has been sweeping was apparently too much for the power grid in southern california. the exxon mobile refinery shut down yesterday after the facility lost power. gasbuddy.com says the heat caused a transformer at a nearby substation to malfunction. combine that with the refinery in richmond, and you have yet another perfect storm for high gas prices. the wholesale cost shot up $1.06 in one week. by friday, retail prices could spike 30 cents. if it keeps up, station owners will have to sell it at $4.75 a gallon t